An updated and  complete list of ham radio repeaters in italy, is mantained by IK2ANE  in his website, where you can download the  italian repeaters excel file

Here is  a subset of Italian ham radio Repeaters in Tuscany and in Florence area (FI)

Nome	Freq	        shift	         tone	Prov.	QRA Loc
R0	145.600,0	-600 kHz	1750	LU	JN53HW
R0a	145.612,5	-600 kHz	 	AR
R1	145.625,0	-600 kHz	 	LI
R1a	145.637,5	-600 kHz		AR	JN53XL
R1a	145.637,5	-600 kHz	 	MS	JN54BC
R2	145.650,0	-600 kHz	1750	GR
R3	145.675,0	-600 kHz	1750	GR	JN53LD
R3a	145.687,5	-600 kHz	79,7	MS	JN54BC
R4	145.700,0	-600 kHz	 	PI	JN53IP
R4a	145.712,5	-600 kHz		GR	JN52SU
R5	145.725,0	-600 kHz	 	PO	JN53OT
R6	145.750,0	-600 kHz	 	FI	JN53SR
R6	145.750,0	-600 kHz	 	MS	JN54BC
R6a	145.762,5	-600 kHz		PO	JN54NA
R7	145.775,0	-600 kHz	 	MS
R7	145.775,0	-600 kHz	 	SI
R7a	145.787,5	-600 kHz	79.7	FI	JN53SR
RU0a	430.012,5	+1.6 MHz		FI
RU1a	430.037,5	+1.6 MHz		AR	JN53TP
RU2	430.050,0	+1.6 MHz	79.7	PI	JN53IQ
RU2a	430.062,5	+1.6 MHz	146.2	FI	JN53SR
RU3	430.075,0	+1.6 MHz	79,7	GR	JN53LD
RU3a	430.087,5	+1.6 MHz		MS	JN54BC
RU4	430.100,0	+1.6 MHz	 	FI	JN53SR
RU4a	430.112,5	+1.6 MHz	79.7 	MS	JN44XF
RU5	430.125,0	+1.6 MHz	 	AR
RU6a	430.162,5	+1.6 MHz		FI	JN53SR
RU8	430.200,0	+1.6 MHz	 	LU	JN53HW
RU9a	430.237,5	+1.6 MHz	 	FI	JN53LR
RU11	430.275,0	+1.6 MHz		FI	JN53QS
RU12	430.300,0	+1.6 MHz		FI	JN53SV
RU13	430.325,0	+1.6 MHz	 	FI	JN53OR
RU13	430.325,0	+1.6 MHz		MS	JN54AB
RU14	430.350,0	+1.6 MHz	 	GR	JN52RU
RU15	430.375,0	+1.6 MHz	88,5	GR	JN52TV
RU20	431.325,0	+1.6 MHz	88.5	AR	JN53XL
RU20	431.325,0	+1.6 MHz	88,5	FI	JN53SR
RU22	431.375,0	+1.6 MHz	88,5	SI	JN52TV
RU24	431.425,0	+1.6 MHz		PT
RU26a	431.487,5	+1.6 MHz		LU	JN53GU
RU27a	431.512,5	+1.6 MHz		AR
RU28	431.525,0	+1.6MHz	 	MS
RU28a	431.537,5	+1.6 MHz		GR

In the Florence area, a popular repeater is the R6, on 145.750 -600 it is managed by ARI Firenze.